The unspeakable horror from another dimension had broken through but was not trying to eat Claire's brain. It isn't actually touching Claire; it is standing -- is that standing? -- Mo can't tell how Cthonian beasts' posture is meant to be interpreted sometimes -- in the kitchenette not actually looking at Claire.

Claire's squeezed into a corner with a gun trained on it.

Mo's standing with her violin out by the time Bob gets there, poised, waiting for the creature to actually do something.

It seems to have an interest in the microwave, more than Claire.

It also appears to be growing.

"Feeds off radiation, maybe?" Mo stage-whispers.